Does each of the following statements describe a simple enzyme (no cofactor or coenzyme necessary), an enzyme that requires a cofactor, or an enzyme that requires a coenzyme?

b. consists of one polypeptide chain in its active form

Does each of the following statements describe a simple enzyme (no cofactor or coenzyme necessary), an enzyme that requires a cofactor, or an enzyme that requires a coenzyme?

c. contains vitamin B₆ in its active site

Adults who are lactose intolerant cannot break down the disaccharide in milk products. To help digest dairy food, a product known as Lactaid can be given prior to consuming dairy products. (16.4, 16.5)

a. What is the name of enzyme present in Lactaid, and what is the major class of this enzyme?

Which of the following could be the possible name of enzyme that involves the transference of a phosphate group between substrates?

Which of the following statements is true of ethanal reductase?

Identify the class and subclass of an enzyme that catalyzes the following reaction.

Which of the following catalyzes the given reaction involving a triglyceride?

Describe the reactions that you would expect these enzymes to catalyze.

b. Aspartate transaminase